Zemax中PS的玻璃牌号是多少？

NM PS 1 590309 1.590481 30.866877 0 0 -1 'C l}IDF  
GC as same as POLYSTYRENE：聚苯乙烯 V#j|_N1hm  
ED 9.000000000E+01 0.000000000E+00 1.050000000E+00 0.000000000E+00 0 0 @WppiZ$  
CD 2.445983680E+00 2.214289330E-05 2.729885690E-02 3.012108520E-04 8.889348880E-05 -1.757079290E-06 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 Cd4a7<-  
TD -2.943000000E-04 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 2.000000000E+01 )+^1QL  
OD -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 x+kP,v  
LD 3.65000000E-01 1.01400000E+00 z|Z<S+=f  
IT 3.34000E-01 1.00000E+00 2.50000E+01 RwH<JaL:  
IT 3.50000E-01 1.00000E+00 2.50000E+01 DzZ)aE  
IT 3.65000E-01 1.00000E+00 2.50000E+01 @ljvTgZ(X  
IT 3.70000E-01 1.00000E+00 2.50000E+01 R3MbTg  
IT 3.80000E-01 1.00000E+00 2.50000E+01 0nkon3H  
IT 3.90000E-01 1.00000E+00 2.50000E+01 |!r.p_Zt  
IT 4.00000E-01 1.00000E+00 2.50000E+01 V:M$
-6jv  
IT 4.20000E-01 1.00000E+00 2.50000E+01 #z|\AmZ\  
IT 4.60000E-01 1.00000E+00 2.50000E+01 5zebH  
IT 5.00000E-01 1.00000E+00 2.50000E+01 3xhv~be  
IT 6.60000E-01 1.00000E+00 2.50000E+01 ];bl;BP  
IT 1.06000E+00 1.00000E+00 2.50000E+01 rm7$i9DH2  
IT 1.52900E+00 1.00000E+00 2.50000E+01 ; Q-f6)+&  
IT 2.32500E+00 1.00000E+00 2.50000E+01